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Finding the Third Proportional to 21,549,217.50 and 47,289,307.50

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Solution

The third proportional to 21,549,217.50 and 47,289,307.50 is: 103,775,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549,217.50 : 47,289,307.50 = 47,289,307.50 : x
  2. Step 2: Convert to fraction form
    21,549,217.50/47,289,307.50 = 47,289,307.50/x
  3. Step 3: Cross multiply
    21,549,217.50x = 47,289,307.50 × 47,289,307.50
  4. Step 4: Simplify right side
    21,549,217.50x = 2,236,278,603,829,556.25
  5. Step 5: Solve for x
    x = 2,236,278,603,829,556.25/21,549,217.50
  6. Step 6: Final answer
    x = 103,775,397.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.