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Finding the Third Proportional to 125,851.50 and 245,326.50

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Solution

The third proportional to 125,851.50 and 245,326.50 is: 478,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,851.50 : 245,326.50 = 245,326.50 : x
  2. Step 2: Convert to fraction form
    125,851.50/245,326.50 = 245,326.50/x
  3. Step 3: Cross multiply
    125,851.50x = 245,326.50 × 245,326.50
  4. Step 4: Simplify right side
    125,851.50x = 60,185,091,602.25
  5. Step 5: Solve for x
    x = 60,185,091,602.25/125,851.50
  6. Step 6: Final answer
    x = 478,223.08

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.