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Finding the Third Proportional to 1,447,155 and 2,127,377

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Solution

The third proportional to 1,447,155 and 2,127,377 is: 3,127,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,155 : 2,127,377 = 2,127,377 : x
  2. Step 2: Convert to fraction form
    1,447,155/2,127,377 = 2,127,377/x
  3. Step 3: Cross multiply
    1,447,155x = 2,127,377 × 2,127,377
  4. Step 4: Simplify right side
    1,447,155x = 4,525,732,900,129
  5. Step 5: Solve for x
    x = 4,525,732,900,129/1,447,155
  6. Step 6: Final answer
    x = 3,127,331.14

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.