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Finding the Third Proportional to 636,090 and 1,371,822.25

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Solution

The third proportional to 636,090 and 1,371,822.25 is: 2,958,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,090 : 1,371,822.25 = 1,371,822.25 : x
  2. Step 2: Convert to fraction form
    636,090/1,371,822.25 = 1,371,822.25/x
  3. Step 3: Cross multiply
    636,090x = 1,371,822.25 × 1,371,822.25
  4. Step 4: Simplify right side
    636,090x = 1,881,896,285,595.06
  5. Step 5: Solve for x
    x = 1,881,896,285,595.06/636,090
  6. Step 6: Final answer
    x = 2,958,537.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.