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Finding the Third Proportional to 353,909,212.50 and 549,497,059.50

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Solution

The third proportional to 353,909,212.50 and 549,497,059.50 is: 853,176,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,909,212.50 : 549,497,059.50 = 549,497,059.50 : x
  2. Step 2: Convert to fraction form
    353,909,212.50/549,497,059.50 = 549,497,059.50/x
  3. Step 3: Cross multiply
    353,909,212.50x = 549,497,059.50 × 549,497,059.50
  4. Step 4: Simplify right side
    353,909,212.50x = 301,947,018,399,146,560
  5. Step 5: Solve for x
    x = 301,947,018,399,146,560/353,909,212.50
  6. Step 6: Final answer
    x = 853,176,486.33

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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.