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Finding the Third Proportional to 485,098 and 1,020,465.50

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Solution

The third proportional to 485,098 and 1,020,465.50 is: 2,146,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,098 : 1,020,465.50 = 1,020,465.50 : x
  2. Step 2: Convert to fraction form
    485,098/1,020,465.50 = 1,020,465.50/x
  3. Step 3: Cross multiply
    485,098x = 1,020,465.50 × 1,020,465.50
  4. Step 4: Simplify right side
    485,098x = 1,041,349,836,690.25
  5. Step 5: Solve for x
    x = 1,041,349,836,690.25/485,098
  6. Step 6: Final answer
    x = 2,146,679.30

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.