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Finding the Third Proportional to 430.13 and 627.13

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Solution

The third proportional to 430.13 and 627.13 is: 914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.13 : 627.13 = 627.13 : x
  2. Step 2: Convert to fraction form
    430.13/627.13 = 627.13/x
  3. Step 3: Cross multiply
    430.13x = 627.13 × 627.13
  4. Step 4: Simplify right side
    430.13x = 393,285.77
  5. Step 5: Solve for x
    x = 393,285.77/430.13
  6. Step 6: Final answer
    x = 914.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.