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Finding the Third Proportional to 721,597.50 and 1,557,603

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Solution

The third proportional to 721,597.50 and 1,557,603 is: 3,362,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,597.50 : 1,557,603 = 1,557,603 : x
  2. Step 2: Convert to fraction form
    721,597.50/1,557,603 = 1,557,603/x
  3. Step 3: Cross multiply
    721,597.50x = 1,557,603 × 1,557,603
  4. Step 4: Simplify right side
    721,597.50x = 2,426,127,105,609
  5. Step 5: Solve for x
    x = 2,426,127,105,609/721,597.50
  6. Step 6: Final answer
    x = 3,362,161.18

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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.