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Finding the Third Proportional to 72,829,735 and 156,021,685

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Solution

The third proportional to 72,829,735 and 156,021,685 is: 334,242,135.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,829,735 : 156,021,685 = 156,021,685 : x
  2. Step 2: Convert to fraction form
    72,829,735/156,021,685 = 156,021,685/x
  3. Step 3: Cross multiply
    72,829,735x = 156,021,685 × 156,021,685
  4. Step 4: Simplify right side
    72,829,735x = 24,342,766,190,239,224
  5. Step 5: Solve for x
    x = 24,342,766,190,239,224/72,829,735
  6. Step 6: Final answer
    x = 334,242,135.99

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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.