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Finding the Third Proportional to 8,636,480 and 18,601,558

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Solution

The third proportional to 8,636,480 and 18,601,558 is: 40,064,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636,480 : 18,601,558 = 18,601,558 : x
  2. Step 2: Convert to fraction form
    8,636,480/18,601,558 = 18,601,558/x
  3. Step 3: Cross multiply
    8,636,480x = 18,601,558 × 18,601,558
  4. Step 4: Simplify right side
    8,636,480x = 346,017,960,027,364
  5. Step 5: Solve for x
    x = 346,017,960,027,364/8,636,480
  6. Step 6: Final answer
    x = 40,064,697.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.