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Finding the Third Proportional to 23,358 and 31,473

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Solution

The third proportional to 23,358 and 31,473 is: 42,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,358 : 31,473 = 31,473 : x
  2. Step 2: Convert to fraction form
    23,358/31,473 = 31,473/x
  3. Step 3: Cross multiply
    23,358x = 31,473 × 31,473
  4. Step 4: Simplify right side
    23,358x = 990,549,729
  5. Step 5: Solve for x
    x = 990,549,729/23,358
  6. Step 6: Final answer
    x = 42,407.30

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.