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Finding the Third Proportional to 56,006,688 and 87,857,946

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Solution

The third proportional to 56,006,688 and 87,857,946 is: 137,823,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,006,688 : 87,857,946 = 87,857,946 : x
  2. Step 2: Convert to fraction form
    56,006,688/87,857,946 = 87,857,946/x
  3. Step 3: Cross multiply
    56,006,688x = 87,857,946 × 87,857,946
  4. Step 4: Simplify right side
    56,006,688x = 7,719,018,675,338,916
  5. Step 5: Solve for x
    x = 7,719,018,675,338,916/56,006,688
  6. Step 6: Final answer
    x = 137,823,159.18

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.