Home / 31,307,360.63-68,172,708.38

Finding the Third Proportional to 31,307,360.63 and 68,172,708.38

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Solution

The third proportional to 31,307,360.63 and 68,172,708.38 is: 148,448,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307,360.63 : 68,172,708.38 = 68,172,708.38 : x
  2. Step 2: Convert to fraction form
    31,307,360.63/68,172,708.38 = 68,172,708.38/x
  3. Step 3: Cross multiply
    31,307,360.63x = 68,172,708.38 × 68,172,708.38
  4. Step 4: Simplify right side
    31,307,360.63x = 4,647,518,167,182,795
  5. Step 5: Solve for x
    x = 4,647,518,167,182,795/31,307,360.63
  6. Step 6: Final answer
    x = 148,448,098.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.