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Finding the Third Proportional to 434,664 and 916,528

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Solution

The third proportional to 434,664 and 916,528 is: 1,932,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,664 : 916,528 = 916,528 : x
  2. Step 2: Convert to fraction form
    434,664/916,528 = 916,528/x
  3. Step 3: Cross multiply
    434,664x = 916,528 × 916,528
  4. Step 4: Simplify right side
    434,664x = 840,023,574,784
  5. Step 5: Solve for x
    x = 840,023,574,784/434,664
  6. Step 6: Final answer
    x = 1,932,581.43

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.