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Finding the Third Proportional to 15,730,987,983 and 33,705,784,020

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Solution

The third proportional to 15,730,987,983 and 33,705,784,020 is: 72,219,232,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730,987,983 : 33,705,784,020 = 33,705,784,020 : x
  2. Step 2: Convert to fraction form
    15,730,987,983/33,705,784,020 = 33,705,784,020/x
  3. Step 3: Cross multiply
    15,730,987,983x = 33,705,784,020 × 33,705,784,020
  4. Step 4: Simplify right side
    15,730,987,983x = 1,136,079,876,402,887,393,280
  5. Step 5: Solve for x
    x = 1,136,079,876,402,887,393,280/15,730,987,983
  6. Step 6: Final answer
    x = 72,219,232,360.40

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.