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Finding the Third Proportional to 472,406 and 717,358

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Solution

The third proportional to 472,406 and 717,358 is: 1,089,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,406 : 717,358 = 717,358 : x
  2. Step 2: Convert to fraction form
    472,406/717,358 = 717,358/x
  3. Step 3: Cross multiply
    472,406x = 717,358 × 717,358
  4. Step 4: Simplify right side
    472,406x = 514,602,500,164
  5. Step 5: Solve for x
    x = 514,602,500,164/472,406
  6. Step 6: Final answer
    x = 1,089,322.53

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.