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Finding the Third Proportional to 765,388,342,880.18 and 1,639,948,880,994.80

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Solution

The third proportional to 765,388,342,880.18 and 1,639,948,880,994.80 is: 3,513,814,075,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,388,342,880.18 : 1,639,948,880,994.80 = 1,639,948,880,994.80 : x
  2. Step 2: Convert to fraction form
    765,388,342,880.18/1,639,948,880,994.80 = 1,639,948,880,994.80/x
  3. Step 3: Cross multiply
    765,388,342,880.18x = 1,639,948,880,994.80 × 1,639,948,880,994.80
  4. Step 4: Simplify right side
    765,388,342,880.18x = 2,689,432,332,276,096,724,631,552
  5. Step 5: Solve for x
    x = 2,689,432,332,276,096,724,631,552/765,388,342,880.18
  6. Step 6: Final answer
    x = 3,513,814,075,291.09

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.