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Finding the Third Proportional to 747,685 and 1,130,453

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Solution

The third proportional to 747,685 and 1,130,453 is: 1,709,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,685 : 1,130,453 = 1,130,453 : x
  2. Step 2: Convert to fraction form
    747,685/1,130,453 = 1,130,453/x
  3. Step 3: Cross multiply
    747,685x = 1,130,453 × 1,130,453
  4. Step 4: Simplify right side
    747,685x = 1,277,923,985,209
  5. Step 5: Solve for x
    x = 1,277,923,985,209/747,685
  6. Step 6: Final answer
    x = 1,709,174.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.