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Finding the Third Proportional to 551,853 and 1,206,130.50

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Solution

The third proportional to 551,853 and 1,206,130.50 is: 2,636,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,853 : 1,206,130.50 = 1,206,130.50 : x
  2. Step 2: Convert to fraction form
    551,853/1,206,130.50 = 1,206,130.50/x
  3. Step 3: Cross multiply
    551,853x = 1,206,130.50 × 1,206,130.50
  4. Step 4: Simplify right side
    551,853x = 1,454,750,783,030.25
  5. Step 5: Solve for x
    x = 1,454,750,783,030.25/551,853
  6. Step 6: Final answer
    x = 2,636,120.10

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.