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Finding the Third Proportional to 21,181,479.75 and 32,730,783.75

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Solution

The third proportional to 21,181,479.75 and 32,730,783.75 is: 50,577,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,181,479.75 : 32,730,783.75 = 32,730,783.75 : x
  2. Step 2: Convert to fraction form
    21,181,479.75/32,730,783.75 = 32,730,783.75/x
  3. Step 3: Cross multiply
    21,181,479.75x = 32,730,783.75 × 32,730,783.75
  4. Step 4: Simplify right side
    21,181,479.75x = 1,071,304,204,889,264
  5. Step 5: Solve for x
    x = 1,071,304,204,889,264/21,181,479.75
  6. Step 6: Final answer
    x = 50,577,401.46

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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.