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Finding the Third Proportional to 11,920,642.88 and 25,746,981.75

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Solution

The third proportional to 11,920,642.88 and 25,746,981.75 is: 55,610,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920,642.88 : 25,746,981.75 = 25,746,981.75 : x
  2. Step 2: Convert to fraction form
    11,920,642.88/25,746,981.75 = 25,746,981.75/x
  3. Step 3: Cross multiply
    11,920,642.88x = 25,746,981.75 × 25,746,981.75
  4. Step 4: Simplify right side
    11,920,642.88x = 662,907,069,234,833
  5. Step 5: Solve for x
    x = 662,907,069,234,833/11,920,642.88
  6. Step 6: Final answer
    x = 55,610,009.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.