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Finding the Third Proportional to 9,148,490 and 19,480,228

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Solution

The third proportional to 9,148,490 and 19,480,228 is: 41,479,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148,490 : 19,480,228 = 19,480,228 : x
  2. Step 2: Convert to fraction form
    9,148,490/19,480,228 = 19,480,228/x
  3. Step 3: Cross multiply
    9,148,490x = 19,480,228 × 19,480,228
  4. Step 4: Simplify right side
    9,148,490x = 379,479,282,931,984
  5. Step 5: Solve for x
    x = 379,479,282,931,984/9,148,490
  6. Step 6: Final answer
    x = 41,479,991.01

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.