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Finding the Third Proportional to 72,828,561 and 156,045,121.50

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Solution

The third proportional to 72,828,561 and 156,045,121.50 is: 334,347,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,828,561 : 156,045,121.50 = 156,045,121.50 : x
  2. Step 2: Convert to fraction form
    72,828,561/156,045,121.50 = 156,045,121.50/x
  3. Step 3: Cross multiply
    72,828,561x = 156,045,121.50 × 156,045,121.50
  4. Step 4: Simplify right side
    72,828,561x = 24,350,079,943,949,764
  5. Step 5: Solve for x
    x = 24,350,079,943,949,764/72,828,561
  6. Step 6: Final answer
    x = 334,347,948.24

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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.