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Finding the Third Proportional to 4,886,778 and 6,426,207

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Solution

The third proportional to 4,886,778 and 6,426,207 is: 8,450,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,778 : 6,426,207 = 6,426,207 : x
  2. Step 2: Convert to fraction form
    4,886,778/6,426,207 = 6,426,207/x
  3. Step 3: Cross multiply
    4,886,778x = 6,426,207 × 6,426,207
  4. Step 4: Simplify right side
    4,886,778x = 41,296,136,406,849
  5. Step 5: Solve for x
    x = 41,296,136,406,849/4,886,778
  6. Step 6: Final answer
    x = 8,450,585.72

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.