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Finding the Third Proportional to 72,521,020 and 112,457,877

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Solution

The third proportional to 72,521,020 and 112,457,877 is: 174,387,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,521,020 : 112,457,877 = 112,457,877 : x
  2. Step 2: Convert to fraction form
    72,521,020/112,457,877 = 112,457,877/x
  3. Step 3: Cross multiply
    72,521,020x = 112,457,877 × 112,457,877
  4. Step 4: Simplify right side
    72,521,020x = 12,646,774,099,347,128
  5. Step 5: Solve for x
    x = 12,646,774,099,347,128/72,521,020
  6. Step 6: Final answer
    x = 174,387,703.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.