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Finding the Third Proportional to 21,821,480 and 32,732,220

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Solution

The third proportional to 21,821,480 and 32,732,220 is: 49,098,330

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,821,480 : 32,732,220 = 32,732,220 : x
  2. Step 2: Convert to fraction form
    21,821,480/32,732,220 = 32,732,220/x
  3. Step 3: Cross multiply
    21,821,480x = 32,732,220 × 32,732,220
  4. Step 4: Simplify right side
    21,821,480x = 1,071,398,226,128,400
  5. Step 5: Solve for x
    x = 1,071,398,226,128,400/21,821,480
  6. Step 6: Final answer
    x = 49,098,330

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.