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Finding the Third Proportional to 12,345,480 and 16,653,438

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Solution

The third proportional to 12,345,480 and 16,653,438 is: 22,464,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,480 : 16,653,438 = 16,653,438 : x
  2. Step 2: Convert to fraction form
    12,345,480/16,653,438 = 16,653,438/x
  3. Step 3: Cross multiply
    12,345,480x = 16,653,438 × 16,653,438
  4. Step 4: Simplify right side
    12,345,480x = 277,336,997,219,844
  5. Step 5: Solve for x
    x = 277,336,997,219,844/12,345,480
  6. Step 6: Final answer
    x = 22,464,658.91

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.