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Finding the Third Proportional to 358,700.75 and 549,350.50

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Solution

The third proportional to 358,700.75 and 549,350.50 is: 841,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,700.75 : 549,350.50 = 549,350.50 : x
  2. Step 2: Convert to fraction form
    358,700.75/549,350.50 = 549,350.50/x
  3. Step 3: Cross multiply
    358,700.75x = 549,350.50 × 549,350.50
  4. Step 4: Simplify right side
    358,700.75x = 301,785,971,850.25
  5. Step 5: Solve for x
    x = 301,785,971,850.25/358,700.75
  6. Step 6: Final answer
    x = 841,330.75

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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.