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Finding the Third Proportional to 12,981,746.25 and 20,556,261

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Solution

The third proportional to 12,981,746.25 and 20,556,261 is: 32,550,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,981,746.25 : 20,556,261 = 20,556,261 : x
  2. Step 2: Convert to fraction form
    12,981,746.25/20,556,261 = 20,556,261/x
  3. Step 3: Cross multiply
    12,981,746.25x = 20,556,261 × 20,556,261
  4. Step 4: Simplify right side
    12,981,746.25x = 422,559,866,300,121
  5. Step 5: Solve for x
    x = 422,559,866,300,121/12,981,746.25
  6. Step 6: Final answer
    x = 32,550,310.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.