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Finding the Third Proportional to 197,187,806 and 425,553,052

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Solution

The third proportional to 197,187,806 and 425,553,052 is: 918,390,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,187,806 : 425,553,052 = 425,553,052 : x
  2. Step 2: Convert to fraction form
    197,187,806/425,553,052 = 425,553,052/x
  3. Step 3: Cross multiply
    197,187,806x = 425,553,052 × 425,553,052
  4. Step 4: Simplify right side
    197,187,806x = 181,095,400,066,514,688
  5. Step 5: Solve for x
    x = 181,095,400,066,514,688/197,187,806
  6. Step 6: Final answer
    x = 918,390,461.05

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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.