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Finding the Third Proportional to 288,127,020 and 630,898,584

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Solution

The third proportional to 288,127,020 and 630,898,584 is: 1,381,449,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,127,020 : 630,898,584 = 630,898,584 : x
  2. Step 2: Convert to fraction form
    288,127,020/630,898,584 = 630,898,584/x
  3. Step 3: Cross multiply
    288,127,020x = 630,898,584 × 630,898,584
  4. Step 4: Simplify right side
    288,127,020x = 398,033,023,293,205,056
  5. Step 5: Solve for x
    x = 398,033,023,293,205,056/288,127,020
  6. Step 6: Final answer
    x = 1,381,449,831.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.