Home / 62,987,189.63-90,071,787.38

Finding the Third Proportional to 62,987,189.63 and 90,071,787.38

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Solution

The third proportional to 62,987,189.63 and 90,071,787.38 is: 128,802,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,987,189.63 : 90,071,787.38 = 90,071,787.38 : x
  2. Step 2: Convert to fraction form
    62,987,189.63/90,071,787.38 = 90,071,787.38/x
  3. Step 3: Cross multiply
    62,987,189.63x = 90,071,787.38 × 90,071,787.38
  4. Step 4: Simplify right side
    62,987,189.63x = 8,112,926,880,927,209
  5. Step 5: Solve for x
    x = 8,112,926,880,927,209/62,987,189.63
  6. Step 6: Final answer
    x = 128,802,807.83

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.