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Finding the Third Proportional to 18,696,820 and 28,720,604

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Solution

The third proportional to 18,696,820 and 28,720,604 is: 44,118,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,820 : 28,720,604 = 28,720,604 : x
  2. Step 2: Convert to fraction form
    18,696,820/28,720,604 = 28,720,604/x
  3. Step 3: Cross multiply
    18,696,820x = 28,720,604 × 28,720,604
  4. Step 4: Simplify right side
    18,696,820x = 824,873,094,124,816
  5. Step 5: Solve for x
    x = 824,873,094,124,816/18,696,820
  6. Step 6: Final answer
    x = 44,118,363.13

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.