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Finding the Third Proportional to 58,689,295 and 128,715,998

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Solution

The third proportional to 58,689,295 and 128,715,998 is: 282,296,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,689,295 : 128,715,998 = 128,715,998 : x
  2. Step 2: Convert to fraction form
    58,689,295/128,715,998 = 128,715,998/x
  3. Step 3: Cross multiply
    58,689,295x = 128,715,998 × 128,715,998
  4. Step 4: Simplify right side
    58,689,295x = 16,567,808,141,136,004
  5. Step 5: Solve for x
    x = 16,567,808,141,136,004/58,689,295
  6. Step 6: Final answer
    x = 282,296,935.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.