Home / 109,431,420.75-170,772,283.13

Finding the Third Proportional to 109,431,420.75 and 170,772,283.13

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Solution

The third proportional to 109,431,420.75 and 170,772,283.13 is: 266,497,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,431,420.75 : 170,772,283.13 = 170,772,283.13 : x
  2. Step 2: Convert to fraction form
    109,431,420.75/170,772,283.13 = 170,772,283.13/x
  3. Step 3: Cross multiply
    109,431,420.75x = 170,772,283.13 × 170,772,283.13
  4. Step 4: Simplify right side
    109,431,420.75x = 29,163,172,683,725,160
  5. Step 5: Solve for x
    x = 29,163,172,683,725,160/109,431,420.75
  6. Step 6: Final answer
    x = 266,497,249.91

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.