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Finding the Third Proportional to 248,790,440 and 539,870,409

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Solution

The third proportional to 248,790,440 and 539,870,409 is: 1,171,508,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,790,440 : 539,870,409 = 539,870,409 : x
  2. Step 2: Convert to fraction form
    248,790,440/539,870,409 = 539,870,409/x
  3. Step 3: Cross multiply
    248,790,440x = 539,870,409 × 539,870,409
  4. Step 4: Simplify right side
    248,790,440x = 291,460,058,513,827,264
  5. Step 5: Solve for x
    x = 291,460,058,513,827,264/248,790,440
  6. Step 6: Final answer
    x = 1,171,508,272.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.