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Finding the Third Proportional to 8,216,748 and 12,822,548

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Solution

The third proportional to 8,216,748 and 12,822,548 is: 20,010,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,748 : 12,822,548 = 12,822,548 : x
  2. Step 2: Convert to fraction form
    8,216,748/12,822,548 = 12,822,548/x
  3. Step 3: Cross multiply
    8,216,748x = 12,822,548 × 12,822,548
  4. Step 4: Simplify right side
    8,216,748x = 164,417,737,212,304
  5. Step 5: Solve for x
    x = 164,417,737,212,304/8,216,748
  6. Step 6: Final answer
    x = 20,010,074.21

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.