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Finding the Third Proportional to 21,387,924 and 46,185,192

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Solution

The third proportional to 21,387,924 and 46,185,192 is: 99,732,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,924 : 46,185,192 = 46,185,192 : x
  2. Step 2: Convert to fraction form
    21,387,924/46,185,192 = 46,185,192/x
  3. Step 3: Cross multiply
    21,387,924x = 46,185,192 × 46,185,192
  4. Step 4: Simplify right side
    21,387,924x = 2,133,071,960,076,864
  5. Step 5: Solve for x
    x = 2,133,071,960,076,864/21,387,924
  6. Step 6: Final answer
    x = 99,732,538.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.