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Finding the Third Proportional to 359,133.75 and 556,070.63

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Solution

The third proportional to 359,133.75 and 556,070.63 is: 861,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,133.75 : 556,070.63 = 556,070.63 : x
  2. Step 2: Convert to fraction form
    359,133.75/556,070.63 = 556,070.63/x
  3. Step 3: Cross multiply
    359,133.75x = 556,070.63 × 556,070.63
  4. Step 4: Simplify right side
    359,133.75x = 309,214,539,987.89
  5. Step 5: Solve for x
    x = 309,214,539,987.89/359,133.75
  6. Step 6: Final answer
    x = 861,001.06

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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.