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Finding the Third Proportional to 72,643,652 and 156,308,488

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Solution

The third proportional to 72,643,652 and 156,308,488 is: 336,331,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,643,652 : 156,308,488 = 156,308,488 : x
  2. Step 2: Convert to fraction form
    72,643,652/156,308,488 = 156,308,488/x
  3. Step 3: Cross multiply
    72,643,652x = 156,308,488 × 156,308,488
  4. Step 4: Simplify right side
    72,643,652x = 24,432,343,420,846,144
  5. Step 5: Solve for x
    x = 24,432,343,420,846,144/72,643,652
  6. Step 6: Final answer
    x = 336,331,430.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.