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Finding the Third Proportional to 210,893,979 and 432,062,484

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Solution

The third proportional to 210,893,979 and 432,062,484 is: 885,174,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,893,979 : 432,062,484 = 432,062,484 : x
  2. Step 2: Convert to fraction form
    210,893,979/432,062,484 = 432,062,484/x
  3. Step 3: Cross multiply
    210,893,979x = 432,062,484 × 432,062,484
  4. Step 4: Simplify right side
    210,893,979x = 186,677,990,080,250,240
  5. Step 5: Solve for x
    x = 186,677,990,080,250,240/210,893,979
  6. Step 6: Final answer
    x = 885,174,583.77

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.