Finding the Third Proportional to 39,921,370 and 86,618,623
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Solution
The third proportional to 39,921,370 and 86,618,623 is: 187,939,087.52
Step by Step Solution
- Step 1: Write the proportion equation
39,921,370 : 86,618,623 = 86,618,623 : x - Step 2: Convert to fraction form
39,921,370/86,618,623 = 86,618,623/x - Step 3: Cross multiply
39,921,370x = 86,618,623 × 86,618,623 - Step 4: Simplify right side
39,921,370x = 7,502,785,850,416,129 - Step 5: Solve for x
x = 7,502,785,850,416,129/39,921,370 - Step 6: Final answer
x = 187,939,087.52
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.