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Finding the Third Proportional to 9,661,668,492 and 21,132,279,528

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Solution

The third proportional to 9,661,668,492 and 21,132,279,528 is: 46,221,130,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661,668,492 : 21,132,279,528 = 21,132,279,528 : x
  2. Step 2: Convert to fraction form
    9,661,668,492/21,132,279,528 = 21,132,279,528/x
  3. Step 3: Cross multiply
    9,661,668,492x = 21,132,279,528 × 21,132,279,528
  4. Step 4: Simplify right side
    9,661,668,492x = 446,573,238,049,527,889,920
  5. Step 5: Solve for x
    x = 446,573,238,049,527,889,920/9,661,668,492
  6. Step 6: Final answer
    x = 46,221,130,275.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.