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Finding the Third Proportional to 302,375,641,623 and 647,881,039,389

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Solution

The third proportional to 302,375,641,623 and 647,881,039,389 is: 1,388,173,461,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,375,641,623 : 647,881,039,389 = 647,881,039,389 : x
  2. Step 2: Convert to fraction form
    302,375,641,623/647,881,039,389 = 647,881,039,389/x
  3. Step 3: Cross multiply
    302,375,641,623x = 647,881,039,389 × 647,881,039,389
  4. Step 4: Simplify right side
    302,375,641,623x = 419,749,841,199,770,948,861,952
  5. Step 5: Solve for x
    x = 419,749,841,199,770,948,861,952/302,375,641,623
  6. Step 6: Final answer
    x = 1,388,173,461,813.15

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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.