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Finding the Third Proportional to 506,913.75 and 784,636.13

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Solution

The third proportional to 506,913.75 and 784,636.13 is: 1,214,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,913.75 : 784,636.13 = 784,636.13 : x
  2. Step 2: Convert to fraction form
    506,913.75/784,636.13 = 784,636.13/x
  3. Step 3: Cross multiply
    506,913.75x = 784,636.13 × 784,636.13
  4. Step 4: Simplify right side
    506,913.75x = 615,653,848,655.02
  5. Step 5: Solve for x
    x = 615,653,848,655.02/506,913.75
  6. Step 6: Final answer
    x = 1,214,514.00

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.