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Finding the Third Proportional to 108,806,685 and 238,988,646

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Solution

The third proportional to 108,806,685 and 238,988,646 is: 524,927,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,806,685 : 238,988,646 = 238,988,646 : x
  2. Step 2: Convert to fraction form
    108,806,685/238,988,646 = 238,988,646/x
  3. Step 3: Cross multiply
    108,806,685x = 238,988,646 × 238,988,646
  4. Step 4: Simplify right side
    108,806,685x = 57,115,572,916,913,312
  5. Step 5: Solve for x
    x = 57,115,572,916,913,312/108,806,685
  6. Step 6: Final answer
    x = 524,927,056.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.