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Finding the Third Proportional to 523,931 and 788,492

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Solution

The third proportional to 523,931 and 788,492 is: 1,186,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,931 : 788,492 = 788,492 : x
  2. Step 2: Convert to fraction form
    523,931/788,492 = 788,492/x
  3. Step 3: Cross multiply
    523,931x = 788,492 × 788,492
  4. Step 4: Simplify right side
    523,931x = 621,719,634,064
  5. Step 5: Solve for x
    x = 621,719,634,064/523,931
  6. Step 6: Final answer
    x = 1,186,644.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.