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Finding the Third Proportional to 142,580,856 and 305,624,920

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Solution

The third proportional to 142,580,856 and 305,624,920 is: 655,113,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,580,856 : 305,624,920 = 305,624,920 : x
  2. Step 2: Convert to fraction form
    142,580,856/305,624,920 = 305,624,920/x
  3. Step 3: Cross multiply
    142,580,856x = 305,624,920 × 305,624,920
  4. Step 4: Simplify right side
    142,580,856x = 93,406,591,725,006,400
  5. Step 5: Solve for x
    x = 93,406,591,725,006,400/142,580,856
  6. Step 6: Final answer
    x = 655,113,136.12

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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.