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Finding the Third Proportional to 991,461 and 1,337,709

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Solution

The third proportional to 991,461 and 1,337,709 is: 1,804,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,461 : 1,337,709 = 1,337,709 : x
  2. Step 2: Convert to fraction form
    991,461/1,337,709 = 1,337,709/x
  3. Step 3: Cross multiply
    991,461x = 1,337,709 × 1,337,709
  4. Step 4: Simplify right side
    991,461x = 1,789,465,368,681
  5. Step 5: Solve for x
    x = 1,789,465,368,681/991,461
  6. Step 6: Final answer
    x = 1,804,877.22

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.