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Finding the Third Proportional to 58,688,896.50 and 128,715,201

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Solution

The third proportional to 58,688,896.50 and 128,715,201 is: 282,295,356.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,688,896.50 : 128,715,201 = 128,715,201 : x
  2. Step 2: Convert to fraction form
    58,688,896.50/128,715,201 = 128,715,201/x
  3. Step 3: Cross multiply
    58,688,896.50x = 128,715,201 × 128,715,201
  4. Step 4: Simplify right side
    58,688,896.50x = 16,567,602,968,470,400
  5. Step 5: Solve for x
    x = 16,567,602,968,470,400/58,688,896.50
  6. Step 6: Final answer
    x = 282,295,356.64

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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.