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Finding the Third Proportional to 4,258,508,042 and 9,266,886,556

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Solution

The third proportional to 4,258,508,042 and 9,266,886,556 is: 20,165,556,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,508,042 : 9,266,886,556 = 9,266,886,556 : x
  2. Step 2: Convert to fraction form
    4,258,508,042/9,266,886,556 = 9,266,886,556/x
  3. Step 3: Cross multiply
    4,258,508,042x = 9,266,886,556 × 9,266,886,556
  4. Step 4: Simplify right side
    4,258,508,042x = 85,875,186,441,773,547,520
  5. Step 5: Solve for x
    x = 85,875,186,441,773,547,520/4,258,508,042
  6. Step 6: Final answer
    x = 20,165,556,949.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.