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Finding the Third Proportional to 477,477 and 745,276.50

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Solution

The third proportional to 477,477 and 745,276.50 is: 1,163,275.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,477 : 745,276.50 = 745,276.50 : x
  2. Step 2: Convert to fraction form
    477,477/745,276.50 = 745,276.50/x
  3. Step 3: Cross multiply
    477,477x = 745,276.50 × 745,276.50
  4. Step 4: Simplify right side
    477,477x = 555,437,061,452.25
  5. Step 5: Solve for x
    x = 555,437,061,452.25/477,477
  6. Step 6: Final answer
    x = 1,163,275.01

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.