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Finding the Third Proportional to 870,442.50 and 1,331,422.50

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Solution

The third proportional to 870,442.50 and 1,331,422.50 is: 2,036,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,442.50 : 1,331,422.50 = 1,331,422.50 : x
  2. Step 2: Convert to fraction form
    870,442.50/1,331,422.50 = 1,331,422.50/x
  3. Step 3: Cross multiply
    870,442.50x = 1,331,422.50 × 1,331,422.50
  4. Step 4: Simplify right side
    870,442.50x = 1,772,685,873,506.25
  5. Step 5: Solve for x
    x = 1,772,685,873,506.25/870,442.50
  6. Step 6: Final answer
    x = 2,036,534.15

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.