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Finding the Third Proportional to 1,099,423 and 1,681,831.50

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Solution

The third proportional to 1,099,423 and 1,681,831.50 is: 2,572,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,423 : 1,681,831.50 = 1,681,831.50 : x
  2. Step 2: Convert to fraction form
    1,099,423/1,681,831.50 = 1,681,831.50/x
  3. Step 3: Cross multiply
    1,099,423x = 1,681,831.50 × 1,681,831.50
  4. Step 4: Simplify right side
    1,099,423x = 2,828,557,194,392.25
  5. Step 5: Solve for x
    x = 2,828,557,194,392.25/1,099,423
  6. Step 6: Final answer
    x = 2,572,765.16

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.