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Finding the Third Proportional to 4,386,528 and 6,543,288

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Solution

The third proportional to 4,386,528 and 6,543,288 is: 9,760,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,528 : 6,543,288 = 6,543,288 : x
  2. Step 2: Convert to fraction form
    4,386,528/6,543,288 = 6,543,288/x
  3. Step 3: Cross multiply
    4,386,528x = 6,543,288 × 6,543,288
  4. Step 4: Simplify right side
    4,386,528x = 42,814,617,850,944
  5. Step 5: Solve for x
    x = 42,814,617,850,944/4,386,528
  6. Step 6: Final answer
    x = 9,760,479.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.