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Finding the Third Proportional to 900,618.75 and 1,390,704.19

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Solution

The third proportional to 900,618.75 and 1,390,704.19 is: 2,147,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,618.75 : 1,390,704.19 = 1,390,704.19 : x
  2. Step 2: Convert to fraction form
    900,618.75/1,390,704.19 = 1,390,704.19/x
  3. Step 3: Cross multiply
    900,618.75x = 1,390,704.19 × 1,390,704.19
  4. Step 4: Simplify right side
    900,618.75x = 1,934,058,137,130.04
  5. Step 5: Solve for x
    x = 1,934,058,137,130.04/900,618.75
  6. Step 6: Final answer
    x = 2,147,477.10

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.