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Finding the Third Proportional to 15,081,347,340 and 31,725,577,368

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Solution

The third proportional to 15,081,347,340 and 31,725,577,368 is: 66,738,881,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081,347,340 : 31,725,577,368 = 31,725,577,368 : x
  2. Step 2: Convert to fraction form
    15,081,347,340/31,725,577,368 = 31,725,577,368/x
  3. Step 3: Cross multiply
    15,081,347,340x = 31,725,577,368 × 31,725,577,368
  4. Step 4: Simplify right side
    15,081,347,340x = 1,006,512,259,332,953,866,240
  5. Step 5: Solve for x
    x = 1,006,512,259,332,953,866,240/15,081,347,340
  6. Step 6: Final answer
    x = 66,738,881,920.94

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.