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Finding the Third Proportional to 89,731,240 and 195,208,880

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Solution

The third proportional to 89,731,240 and 195,208,880 is: 424,673,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,731,240 : 195,208,880 = 195,208,880 : x
  2. Step 2: Convert to fraction form
    89,731,240/195,208,880 = 195,208,880/x
  3. Step 3: Cross multiply
    89,731,240x = 195,208,880 × 195,208,880
  4. Step 4: Simplify right side
    89,731,240x = 38,106,506,830,854,400
  5. Step 5: Solve for x
    x = 38,106,506,830,854,400/89,731,240
  6. Step 6: Final answer
    x = 424,673,801.80

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.