Home / 212,443,587.45-457,172,225.61

Finding the Third Proportional to 212,443,587.45 and 457,172,225.61

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Solution

The third proportional to 212,443,587.45 and 457,172,225.61 is: 983,820,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,443,587.45 : 457,172,225.61 = 457,172,225.61 : x
  2. Step 2: Convert to fraction form
    212,443,587.45/457,172,225.61 = 457,172,225.61/x
  3. Step 3: Cross multiply
    212,443,587.45x = 457,172,225.61 × 457,172,225.61
  4. Step 4: Simplify right side
    212,443,587.45x = 209,006,443,872,208,928
  5. Step 5: Solve for x
    x = 209,006,443,872,208,928/212,443,587.45
  6. Step 6: Final answer
    x = 983,820,911.63

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.