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Finding the Third Proportional to 9,778,870.55 and 21,260,276.93

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Solution

The third proportional to 9,778,870.55 and 21,260,276.93 is: 46,222,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,870.55 : 21,260,276.93 = 21,260,276.93 : x
  2. Step 2: Convert to fraction form
    9,778,870.55/21,260,276.93 = 21,260,276.93/x
  3. Step 3: Cross multiply
    9,778,870.55x = 21,260,276.93 × 21,260,276.93
  4. Step 4: Simplify right side
    9,778,870.55x = 451,999,375,127,023.75
  5. Step 5: Solve for x
    x = 451,999,375,127,023.75/9,778,870.55
  6. Step 6: Final answer
    x = 46,222,043.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.