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Finding the Third Proportional to 9,966,290.63 and 15,151,034.81

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Solution

The third proportional to 9,966,290.63 and 15,151,034.81 is: 23,033,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,290.63 : 15,151,034.81 = 15,151,034.81 : x
  2. Step 2: Convert to fraction form
    9,966,290.63/15,151,034.81 = 15,151,034.81/x
  3. Step 3: Cross multiply
    9,966,290.63x = 15,151,034.81 × 15,151,034.81
  4. Step 4: Simplify right side
    9,966,290.63x = 229,553,855,889,586.91
  5. Step 5: Solve for x
    x = 229,553,855,889,586.91/9,966,290.63
  6. Step 6: Final answer
    x = 23,033,028.49

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.